Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6221209 | Multi-stage bleaching process having a final stabilized peroxide stage | Francois Desprez, Johan Devenyns, Paul Essemaeker | 2001-04-24 |
| 5698075 | Process for bleaching a chemical paper pulp in an oxygen-peroxymonosulfuric acid-hydrogen peroxide sequence | Marc Hoyos, Marcel Robberechts, Gilbert Vrambout | 1997-12-16 |
| 5645686 | Process for bleaching a pulp in a sequence including an enzyme stage | Francois Desprez, Johan Devenyns, Pierre Ledoux, Rene Detroz | 1997-07-08 |
| 5411635 | Ozone/peroxymonosulfate process for delignifying a lignocellulosic material | Raymond Francis, Xioa-Zhu Zhang | 1995-05-02 |
| 5356606 | Peroxidic compositions | Graham R. Horne | 1994-10-18 |
| 5220052 | Peroxyacid manufacture | Graham Carr, Alun P. James, Andrew Willson | 1993-06-15 |
| 4963283 | Solutions of perhalogenated compounds | David J. Lapham | 1990-10-16 |
| 4963342 | Solutions of permonosulphuric acid | David J. Lapham | 1990-10-16 |